ASRock 990fx extreme9 [55/78] Oc tweaker screen

3.3 OC Tweaker Screen

In the OC Tweaker screen, you can set up overclocking features.

OC Mode

Use this to select Overclock Mode. Please note that overclocing may

cause damage to your components and motherboard. It should be done at

your own risk and expense.

Turbo Mode

This item appears only when you set the item “OC Mode“ to [Turbo Mode].

You can use this option to increase your system performance. Congura-

tion options: [System Performance Increases 50%] and [System Perfor-

mance Increases 60%].

CPU Conguration

Overclock Mode

Use this to select Overclock Mode. Configuration options: [Auto] and

[Manual]. The default value is [Auto].

Spread Spectrum

This item should always be [Auto] for better system stability.

ASRock UCC

ASRock UCC (Unlock CPU Core) feature simplies AMD CPU activation.

As long as a simple switch of the UEFI option “ASRock UCC”, you can

unlock the extra CPU core to enjoy an instant performance boost. When

UCC feature is enabled, the dual-core or triple-core CPU will boost to the

quad-core CPU, and some CPU, including quad-core CPU, can also in-

crease L3 cache size up to 6MB, which means you can enjoy the upgrade

CPU performance with a better price. Please be noted that UCC feature is

supported with AM3/AM3+ CPU only, and in addition, not every AM3/AM3+

CPU can support this function because some CPU’s hidden core may be

malfunctioned.